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吴裕雄--天生自然WEB前端开发实战--Ajax

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>JSON</title>
        <script>
            //遍历JSON对象
            var myJson = { 'name' : '刘兵' , 'age' : 18  };
            for( var key in myJson ){
                document.write( key+' : '+myJson[key]+"<br>" );  
            }
            //遍历JSON数组
            var wqJson = [    {'name':'张三','age':19},
                            {'name':'李四','age':20},
                            {'name':'王五','age':21},
                        ]
            for(var i =0;i<wqJson.length;i++){
                for(var j in wqJson[i]){
                    document.write(j+":"+wqJson[i][j]+"<br>")
                }
            }
        </script>
    </head>
    <body>
      
    </body>
    </html>

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>JSON</title>
        <script>
            //éåJSONå¯¹è±¡
            var myJson = { 'name' : 'ååµ' , 'age' : 18  };
            for( var key in myJson ){
                document.write( key+' : '+myJson[key]+"<br>" );  
            }
            //éåJSONæ°ç»
            var wqJson = [    {'name':'å¼ ä¸','age':19},
                            {'name':'æå','age':20},
                            {'name':'çäº','age':21},
                        ]
            for(var i =0;i<wqJson.length;i++){
                for(var j in wqJson[i]){
                    document.write(j+":"+wqJson[i][j]+"<br>")
                }
            }
        </script>
    </head>
    <body>
      
    </body>
    </html>

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>JSON</title>
        <script>
            //遍历JSON对象
            var myJson = { 'name' : '刘兵' , 'age' : 18  };
            for( var key in myJson ){
                document.write( key+' : '+myJson[key]+"<br>" );  
            }
            //遍历JSON数组
            var wqJson = [    {'name':'张三','age':19},
                            {'name':'李四','age':20},
                            {'name':'王五','age':21},
                        ]
            for(var i =0;i<wqJson.length;i++){
                for(var j in wqJson[i]){
                    document.write(j+":"+wqJson[i][j]+"<br>")
                }
            }
        </script>
    </head>
    <body>
      
    </body>
    </html>

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原文地址：https://www.cnblogs.com/tszr/p/13870883.html